Toyota RAV4 manuals

Toyota RAV4 Service Manual: Pig power supply voltage malfunction

Toyota RAV4. Pig power supply voltage malfunction


Description

When a problem occurs in the system, the power source relay circuit is shut off to stop the power assist.


Wiring diagram

Toyota RAV4. Pig power supply voltage malfunction


Inspection procedure

  1. Read value of intelligent tester (pig power supply)

  1. Connect the intelligent tester (with can vim) to the dlc3.
  2. Turn the ignition switch on.
  3. Select the item "pig supply" in the data list and read the value displayed on the intelligent tester.

Power steering ecu




  1. Check wire harness (battery - power steering ecu)

Toyota RAV4. Check wire harness (battery - power steering ecu)


  1. Disconnect the a1 power steering ecu connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage




Replace power steering ecu

Ig power supply voltage malfunction
Description The power steering ecu distinguishes the ignition switch status as on or off through the ig power source circuit. Wiring diagram Inspection procedure Read value of inte ...

Power supply relay failure
Description If the power steering ecu detects these dtcs, it shuts off the motor relay circuit (built into the power steering ecu) and stops power assist. Inspection procedure Reconfirm ...

Other materials:

Evap system
Related dtcs If any evap system dtcs are set, the malfunctioning area can be determined using the table below. Notice: If the reference pressure difference between the first and second checks is greater than the specification, all the dtcs relating to the reference pressure (p043e, p ...

Fuel pump control circuit
Description When the engine is cranked, the starter relay drive signal output from the star terminal of the ecm is input into the sta terminal of the ecm, and ne signal generated by the crankshaft position sensor is also input into the ne+ terminal. Thus, the ecm interprets that the engine is ...

Rear differential carrier assembly
Components ...

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